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PT8A3243 fiches techniques PDF

Pericom Semiconductor - Heating Controller

Numéro de référence PT8A3243
Description Heating Controller
Fabricant Pericom Semiconductor 
Logo Pericom Semiconductor 





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PT8A3243 fiche technique
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Features
Dual Voltage (120V/240V) operations
Auto temperature control with NTC
NTC open protection
Multi mode LED indicator
Direct drive SCR
Auto Heating off after heating timer timeout
Low cost 8-Pin DIP and SOIC package
Applications
Hair Curler
PT8A3240/1/2/3/4/5/6/7
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Heating Controller
Description
The PT8A3240/1/2/3/14/5/6/7 is a mixed signal
CMOS LSI chip designed for the automatic controller of
heat with external NTC (Negative Temperature
Component). NTC open protection is implemented for
device safety. When NTC is open, it will cut off GATE
output to disable heating, and the LED1 will flash at 1/8
CLK.
The device can be used in both 120V and 240V
power line supplier, automatically adjusting the heating
power according to the power line voltage to avoid
heating appliance damage.
Pin Configuration
IC01-P10/1/2/3
N TC1
N TC2
C LK
G ND
1
2
3
4
8 V DD
7 OFF
6 G ATE
5 ON
IC01-14/5/6/7
N TC1 1
8
N TC2 2
7
C LK
G ND
3
4
6
5
V DD
LED
G ATE
O N/O FF
PT8A3240/1/2/3
PT8A3244/5/6/7
Pin Description
Pin Name
I/O
No. PT8A324 PT8A324 PT8A324 PT8A324
0/1/2/3
4/5/6/7
0/1/2/3
4/5/6/7
Description
1
NTC1
NTC1
I
I NTC voltage input, NTC open detection input.
2
NTC2
NTC2
O
O Output signal for NTC open detection.
3 CLK CLK
I
I Clock input from power line.
4
GND
GND
GND
GND Ground.
5
ON ON/OFF
I/O
I/O
Heating-on button input for PT8A3240/1/2/3 or Heating-
on/off input for PT8A3244/5/6/7 and LED driving output.
6
GATE
GATE
O
O SCR trigger output, active high.
7 OFF LED
I/O
Heating-off button input and LED2 driving output for
O PT8A3240/1/2/3 or only LED2 driving output for
PT8A3244/5/6/7.
8
VDD
VDD
Power
Power Power.
12-07-0006
PT0217 -5 07/06/12
1

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